COMPUTER SOFTWARE
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Utility system software may include:encryption softwaredefragmentationdata compressionWhich best describes encryption software
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To scramble data in a way that it is unreadable to anybody who doesn’t have a key to be able to unscramble this.Data is “scrambled” using a key and then decrypted using a keyData is is unreadable if anyone is to intercept it
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When a hard disk drive is new-files get added onto the disk in order-very much like starting with a blank piece of paper and adding to itAs files are deleted-this leaves gapsWhen new files are saved-the files fill the gaps and become fragmentedThis software groups files back together
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Reducing the size of the file by performing an algorithm on the original dataLosslessThe original file can be re-created as no data is lostLossySome of the original data is lost and the original file can not be re-created
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None of the above
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Explanation:
Detailed explanation-1: -Encryption software is software that uses cryptography to prevent unauthorized access to digital information. Cryptography is used to protect digital information on computers as well as the digital information that is sent to other computers over the Internet.
Detailed explanation-2: -Antivirus software is one of the most popular types of utility software, protecting computers from all types of malicious attacks to the operating system.
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